Beach walk from 9 to 11 a.m. at the Guana South Beach lot location. Regular parking fees apply. Meet at the Guana South Beach parking lot, about two miles north of the Environmental Education Center.

Guana Tolomato Matanzas National Estuarine Research Reserve will hold a beginning art class for adults from 9 a.m. to 1 p.m. Saturday. This class will focus on color study and beginning drawing of butterflies and marsh scenes. The class begins with a short nature walk and will be taught by local artist Jean Drayovitch. The cost is $45 and all materials will be provided. Bring a bag lunch and call 635-0941 to reserve a seat.

Kayak tours are being offered on a number of occasions.

At Faver-Dykes State Park tours being offered by Ripple Effect Ecotours. The tour fee of $40 includes entry to the park.

Tours are planned from 9 to 11 a.m. Oct. 10, 12, 24 and 27.

Space is limited, so early sign-up is urged.

Call 347-1565.

At Guana tours are $45 and are planned from 9 to 11 a.m. Wednesday and Thursday and from 10 a.m. to noon Sept. 28 and 29.

Science Education at Sea is the title of a Florida aquarium teacher workshop at Guana from 9 a.m. to 4 p.m. Saturday. The free workshop is targeted for third through fifth grade teachers.

To register visit www.flaquarium.org or call (813) 273-4015.

The GTM reserve is located at 505 Guana River Road, Ponte Vedra Beach.